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LQx / RLx Series
LQx and RLx Series User’s Manual
ii
Preface
Warranty
Newport Corporation warrants that this product will be free from defects in
material and workmanship and will comply with Newport’s published
specifications at the time of sale for a period of 90 days from date of
shipment. If found to be defective during the warranty period, the product
will either be repaired or replaced at Newport's option.
To exercise this warranty, write or call your local Newport office or
representative, or contact Newport headquarters in Irvine, California. You
will be given prompt assistance and return instructions. Send the product,
freight prepaid, to the indicated service facility. Repairs will be made and the
instrument returned freight prepaid. Repaired products are warranted for an
additional 90 days.
Limitation of Warranty
The above warranties do not apply to products which have been repaired or
modified without Newport’s written approval, or products subjected to
unusual physical, thermal or electrical stress, improper installation, misuse,
abuse, accident or negligence in use, storage, transportation or handling. This
warranty also does not apply to fuses, batteries, or damage from battery
leakage.
This warranty is in lieu of all other warranties, expressed or implied,
including any implied warranty of merchantability or fitness for a particular
use. Newport Corporation shall not be liable for any indirect, special, or
consequential damages resulting from the purchase or use of its products.
First printing 2004
© 2004 by Power Technology and Newport Corporation. All rights reserved.
No part of this manual may be reproduced or copied without the prior written
approval of Newport Corporation.
This manual has been provided for information only and product
specifications are subject to change without notice. Any change will be
reflected in future printings.
Newport Corporation
1791 Deere Avenue
Irvine, CA, 92606 USA
P/N 41317-01 Rev. D
Preface
iii
EU Declaration of Conformity
We declare that the accompanying product, identified with the
mark, complies with
requirements of the Electromagnetic Compatibility Directive, 89/336/EEC and the Low
Voltage Directive 73/23/EEC.
Model Number: LQA, LQC, LQD, RLA, RLC, and RLD Series Laser Source Modules
Year
mark affixed: 2004
Type of Equipment:
Electrical equipment for measurement, control and laboratory use
Standards Applied:
Compliance was demonstrated to the following standards to the extent applicable:
BS EN61326-1:1997+A1+A2 “Electrical equipment for measurement, control and laboratory
use – EMC requirements”
This equipment meets the Class A radiated and conducted emission limits.
BS EN 61000-3-2:2001, Harmonic current emissions, Class A
BS EN 61000-3-3:2002, Voltage fluctuations and flicker
BS EN 61010-1:2001, A1+A2 “Safety requirements for electrical equipment for
measurement, control and laboratory use”
Alain Danielo
VP European Operations
Zone Industrielle
45340 Beaune-la-Rolande, France
Dan Dunahay
Director of Quality Systems
1791 Deere Avenue
Irvine, Ca. USA
Technical Support Contacts
iii
iv
Preface
North America & Asia
Europe
Newport Corporation Service Dept.
Newport/MICRO-CONTROLE S.A.
1791 Deere Ave. Irvine, CA 92606
Zone Industrielle
Telephone: (949) 253-1694
45340 Beaune la Rolande, FRANCE
Telephone: (800) 222-6440 x31694
Telephone: (33) 02 38 40 51 56
Asia
Newport Opto-Electronics
Technologies
253 Aidu Road, Bld #3, Flr 3, Sec C,
Shanghai 200131, China
Telephone: +86-21-5046 2300
Fax: +86-21-5046 2323
Newport Corporation Calling Procedure
If there are any defects in material or workmanship or a failure to meet
specifications, promptly notify Newport's Returns Department by calling
1-800-222-6440 or by visiting our website at www.newport.com/returns within
the warranty period to obtain a Return Material Authorization Number
(RMA#). Return the product to Newport Corporation, freight prepaid,
clearly marked with the RMA# and we will either repair or replace it at our
discretion. Newport is not responsible for damage occurring in transit and is
not obligated to accept products returned without an RMA#.
E-mail: [email protected]
When calling Newport Corporation, please provide the customer care
representative with the following information:
•
•
•
Your Contact Information
Serial number or original order number
Description of problem (i.e., hardware or software)
To help our Technical Support Representatives diagnose your problem,
please note the following conditions:
•
•
•
•
•
Is the system used for manufacturing or research and development?
What was the state of the system right before the problem?
Have you seen this problem before? If so, how often?
Can the system continue to operate with this problem? Or is the system nonoperational?
Can you identify anything that was different before this problem occurred?
Preface
v
Table of Contents
Warranty................................................................................................. ii
EU Declaration of Conformity.............................................................. iii
Technical Support Contacts .................................................................. iii
Table of Contents ....................................................................................v
1 General Information
1.1
1.2
1.3
Introduction ...................................................................................1
Installation .....................................................................................3
Operation .......................................................................................6
1.3.1 Operation and Control Procedure......................................6
1.3.2 Preventative Maintenance .................................................6
1.3.3 Laser Safety .......................................................................6
2 Factory Service Information
2.1
1
9
Service Form .................................................................................9
v
1
General Information
1.1
Introduction
Newport’s LQx Series Laser Diode Light Source Modules can be used in
analytical, industrial and biomedical applications, such as spectroscopy,
interferometry, machine vision, marking, flow cytometry and tissue
fluorescence. The RLx Series can be for Raman spectroscopy, holography,
and interferometry. Modules are available at various wavelengths and output
power levels, with the choice of either elliptical or circular output beam
shape. Both the LQx and RLx Series includes self-contained laser diode
modules with superior optical quality and ultra-stable temperature,
wavelength and output power control. The LQx and RLx Series modules
feature a precision current source and a PID temperature controller. Three
types of LQx and RLx Series are featured:
LQC/RLC Series - CW operation
LQA/RLA Series - Analog modulation of up to 20 MHz
LQD/RLD Series - Digital modulation (via TTL) of up to 100 MHz
For the LQx Series, both elliptical (E versions) and circular beam output
options are available. Circular beams are generated using either a microlens
(C versions) or an anamorphic prism pair (P versions) resulting in a higher
beam quality. The LQx Series can be ordered with a fiber pigtail. See the
Newport Catalog or website for fiber pigtail options for the LQx series. The
RLx Series comes standard with an SMA fiber pigtail.
The center wavelength indicated by the LQx model number is typical.
Center wavelength accuracy for LQx Series is as follows:
Wavelengths less than 700 nm, accuracy +/- 10 nm
Wavelengths 700-1300 nm, accuracy +/- 15 nm
Wavelength 1300-1600 nm, accuracy +/- 20 nm
Wavelength greater than 1600 nm, accuracy +/- 10 nm
All RLx Series modules center wavelengths are accurate to +/- 0.5 nm
All LQx and RLx modules require an external 4.8 to 12 VDC power source.
Modules with wavelengths below 500 nm require an 8 to 12 VDC power
source. Newport offers a 5 and 12 VDC supply for use with the LQx and
RLx series. The LPMS-5-110 and LIQS-12-110 Power Supplies meet CDRH
requirements by providing an interlock input, key enable switch, delayed
start-up, and laser active indicator. These units are shown in the ordering
table and are not included with the Laser Diode Light Sources Modules. 220
VAC input versions are also available.
The LQx and RLx series can be configured with a variety of laser diodes at
various output powers and operating wavelengths. Products with output
powers above 5mW or with IR output are not intended for surveying,
leveling, and alignment applications. Visible units less than 5mW are CDRH
certified as laser systems.
-xxE
-xxP
1.2
Installation
Do not mount the laser in a thermal insulating material, such as foam plastic.
Heat can have adverse effects on laser diodes. Such effects include decreased
output power and large shifts in wavelengths. Lasers below 5mW may not
need a heat sink. For best heat dissipation use a metal mounting fixture like
Newport’s ULM Series mounting brackets. A heat sink is always
recommended for operating temperatures above 25°C.
The operating voltage for the LQx and RLx Series laser modules is 5 – 12
VDC. Modules less than 500nm require 8 – 12 VDC.
If the label attached to the laser module reads, “This product complies with
21CFR 1040.10 and 1040.11,” a permanently installed switch at the power
source will be required to retain the modules certification as a laser system.
This certification is void if the unit is enclosed or otherwise inaccessible, if
the labels are modified or removed, or if the system is permanently connected
(i.e. soldered, etc.) directly to the power source without the required switch.
Modifying the laser will void the CDRH certification. If the distance between
the laser head and the power source switch exceeds two meters, an emissions
indicator must be mounted near the switch.
This laser module is connectorized for easy integration into your application.
The unit may feature as many as two connectors on the rear panel. The SMC
connector is present only for those units featuring analog or TTL beam
modulation. The 16-pin header connector is present on all units and
accommodates the DC supply voltage and monitoring connections.
Connections are listed below:
Modulation input
For LQD/RLD and
LQA/RLA (SMC)
PIN NO 1
PIN NO.15
3
A power only cable is provided with the LQx/RLx series. Newport supplies
two accessory cables for easy access to the monitoring connections. The part
number for the cables for the CW lasers is LQC-CAB and the cable part
number for the analog and digital lasers is LQA-CAB. If you prefer to
manufacture your own cable harness, we recommend using Molex part
number 22-55-2161 and crimp terminal 16-02-0103 or equivalents.
Newports’s standard cable includes only the 5 VDC and ground leads.
Pin
Wire Color
Description
1
Red
5 VDC
2
Red
5 VDC
3
4
For future use
Wht/Brown
Temperature Reference (-)
5
For future use
6
For future use
7
Blue
8
9
Laser Diode Current Monitor (+)
For future use
White
10
Temperature Monitor (+)
For future use
11
Yellow
Error signal/Inhibit
12
Gray
Photodiode monitor (+)
13
5 VDC required for CW laser diode over 500 mA
in drive current
14
Blue
Laser Diode Current Reference (-) / Photodiode Monitor (-)
15
Black
Ground
16
Black
Ground
Table 1
Pin/Wire Table
LQA/RLA and LQD/RLD lasers that feature analog or digital modulation
will have an SMC connector on the rear of the unit adjacent to the 16-pin
header connector.
ANALOG MODULATION USERS: Analog modulation requires an input
voltage on the SMC Connector. A control voltage of 1 VDC will yield a
100% power output. A control voltage of 0 VDC will yield a threshold power
output. The relationship between voltage and output power is not linear.
TTL MODULATION USERS: TTL modulation requires an input voltage
on the SMC Connector. A control voltage of 5 VDC will yield a threshold
power output. A control voltage of 0 VDC will yield a 100% output.
The temperature of the laser diode can be monitored by measuring between
Temperature Monitor (Pin 9) and Temperature Reference (Pin 4). This
reading can be compared with the chart below to determine the diode’s
temperature.
Temp. C Vread
Temp. C
Vread
Temp. C
Vread
Temp. C
Vread
0
-1.32767
13
-0.66514
26
0.054539
39
0.716055
1
-1.28138
14
-0.61036
27
0.10865
40
0.762217
2
-1.23418
15
-0.55523
28
0.162832
41
0.807535
3
-1.18594
16
-0.5
29
0.216358
42
0.85188
4
-1.13723
17
-0.44408
30
0.269009
43
0.895125
5
-1.08717
18
-0.38851
31
0.321193
44
0.93808
6
-1.03673
19
-0.33268
32
0.373068
45
0.979471
7
-0.98531
20
-0.27679
33
0.42449
46
1.021127
8
-0.93358
21
-0.22106
34
0.474951
47
1.061254
9
-0.88083
22
-0.16573
35
0.524803
48
1.099712
10
-0.82776
23
-0.10994
36
0.573708
49
1.138216
11
-0.77408
24
-0.05501
37
0.621683
50
1.17566
12
-0.72001
25
0
38
0.66917
Table 2
Voltage Values at Specific Temperatures Celsius
There are also two formulas that can be used to calculate the temperature
based on the reading between Pin 4 and Pin 9. Formula 1 compensates for the
non-linearity of the temperature sensor and has a result accurate to within 1
degree C over a 0 to 50 degree range:
Temp = (1.0156*meas^6) + (-0.2863*meas^5) + (-5.337*meas^4) +
(2.9298*meas^3) + (7.6051*meas^2) + (16.468*meas) + 25
Formula 2 has no compensation and has a result accurate to 3 degrees over a
0 to 50 degree range (most accurate at 25 degrees):
Temp = 100*(V+1.25)/0.05008
Pin 11 has two functions. It can be monitored for an error signal. If the
voltage is low (~0VDC) then laser diode has been shutdown due to
temperature conditions. If the monitored voltage is high (~5VDC), then the
laser module is operating properly. As a secondary function, the user can
disable the laser output by grounding this pin.
5
1.3
Operation
1.3.1
Operation and Control Procedure
The LQx and RLx Series does not have any user adjustable controls. The user
may adjust the focus or collimation of the output beam on E models by using
the supplied spanner wrench to increase or decrease the distance between the
diode and the optic. The P (prism) series does not have adjustable optics.
1.3.2
Preventative Maintenance
This laser module contains no user serviceable parts. Occasionally the optics
may need cleaning depending on environmental conditions. When cleaning is
required, the use of clean, compressed air is recommended to blow the optics
clean. If compressed air fails, clean lens carefully with alcohol and a lint free
rag or Q-tip.
1.3.3
Laser Safety
Class 3b and 4 lasers are not intended for use in surveying, leveling,
alignment, or medical applications.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous
radiation exposure.
CAUTION
The use of optical instruments with this product will increase
eye hazard. Do not shine laser in the direction of other people or
at reflective surfaces that might cause exposure to the human
eye. Do not mount the laser at eye level.
Modifications, that affect any aspect of the product’s performance or
intended functions will require re-certification and re-identification of the
product in accordance with the provisions of 21CFR 1040.10 and 1040.11.
The product labels shown below can typically be found near the output optics.
Class II Laser:
Visible Laser Radiation
Do Not Stare Into Beam
Component
System
Class IIIa Laser:
Visible Laser Radiation,
Avoid Direct Eye Exposure
Component
Class IIIb Laser:
Visible Or Invisible Laser
Radiation
Avoid Direct Exposure To Beam
System
Component
One of the above labels is
attached to the laser head.
One of the above labels is
attached to the laser head.
7
System
One of the above labels is
attached to the laser head.
2
Factory Service Information
2.1
Service Form
Newport Corporation
U.S.A. Office: 800-222-6440
FAX: 949/253-1479
Name_________________________________
Return Authorization # _________________________
(Please obtain RA# prior to return of item)
Company ___________________________________________________________________________
Address ______________________________
Date _______________________________________
Country _______________________________
Phone Number _______________________________
P.O. Number ___________________________
FAX Number_________________________________
Item(s) Being Returned:
Model # ______________________________
Serial # _____________________________________
Description __________________________________________________________________________
___________________________________________________________________________________
___________________________________________________________________________________
___________________________________________________________________________________
___________________________________________________________________________________
___________________________________________________________________________________
Reason for return of goods (please list any specific problems):
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Notes:______________________________________________________________________________
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